diff --git a/.github/workflows/tests.yaml b/.github/workflows/tests.yaml
new file mode 100644
index 0000000..fde8e8d
--- /dev/null
+++ b/.github/workflows/tests.yaml
@@ -0,0 +1,45 @@
+name: test
+on:
+  push:
+    branches:
+      - "master"
+      - "feature/*"
+      - "hotfix/*"
+      - "release/*"
+      - "renovate/*"
+  pull_request:
+  workflow_dispatch:
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - name: Install dependencies
+        run: make setup
+      - name: Run Linters
+        run: make lint
+  test:
+    strategy:
+      matrix:
+        platform: [ubuntu-latest, macos-latest]
+        python: ['3.8', '3.9', '3.10', '3.11', '3.12', '3.13-dev']
+    runs-on: ${{ matrix.platform }}
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python }}
+          cache: 'pip'
+      - name: Install dependencies
+        run: make setup
+      - name: Run tests
+        run: make test
+        env:
+          PYTEST_ADDOPTS: "--no-header -vv -rN"
diff --git a/Makefile b/Makefile
index 70d1763..e2c4bda 100644
--- a/Makefile
+++ b/Makefile
@@ -16,11 +16,12 @@ $(DEVENVPIP):
 $(SYSDEPS_INSTALLED): sysdeps.mk
 ifeq ($(shell command -v apt-get > /dev/null; echo $$?),0)
 	sudo apt-get install --yes $(APT_SYSDEPS)
+else ifeq ($(shell command -v brew > /dev/null; echo $$?),0)
+	brew install $(BREW_SYSDEPS)
 else
 	@echo 'System dependencies can only be installed automatically on'
-	@echo 'systems with "apt-get". On OSX you can manually use Homebrew'
-	@echo 'if there are missing dependencies corresponding to the following'
-	@echo 'Debian packages:'
+	@echo 'systems with "apt-get" or "brew". Dependencies correspond to'
+	@echo 'the following Debian packages:'
 	@echo '$(APT_SYSDEPS).'
 endif
 	touch $(SYSDEPS_INSTALLED)
diff --git a/sysdeps.mk b/sysdeps.mk
index dcb9005..34327ae 100644
--- a/sysdeps.mk
+++ b/sysdeps.mk
@@ -1 +1,2 @@
 APT_SYSDEPS = python3-pip python3-setuptools libsodium-dev libffi-dev libssl-dev tox isort
+BREW_SYSDEPS = python3 libsodium libffi openssl tox isort
diff --git a/tox.ini b/tox.ini
index b9b393d..706eac9 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,9 +1,11 @@
-# Copyright 2017 Canonical Ltd.
+# Copyright 2017,2024 Canonical Ltd.
 # Licensed under the LGPLv3, see LICENCE file for details.
 
 [tox]
 envlist = lint, py27, py35, docs
 # envlist = py27
+# If the system has tox < 4.8, installs a newer tox in a venv.
+minversion = 4.8
 
 [testenv]
 setenv =